Door operator



FIG. 1 is a front view showing our new design for a door operator;

FIG. 2 is a back view of the door operator of FIG. 1;

FIG. 3 is a top view of the door operator of FIG. 1;

FIG. 4 is a bottom view of the door operator of FIG. 1;

FIG. 5 is a left side view of the door operator of FIG. 1;

FIG. 6 is a right side view of the door operator of FIG. 1; and,

FIG. 7 is a top perspective view of the door operator of FIG. 1.

The broken lines depict portions of the article that form no part of the claimed design. 

CLAIM I claim the ornamental designs for a door operator, as shown and described. 